Ignore the marked black stone at A. It is only there to enlarge the boarde
(;SZ[19]AW[cc]AW[dc]AW[fc]AW[dd]AW[be]AW[ce]AB[cb]AB[bc]AB[bd]AB[cd]AB[jj]LB[jj:A]C[Black to play and live.]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[0.00]TM[]
(;B[ab]
(;W[ba]PL[B];B[ad]C[Black 1 is the vital point, and Black livesRIGHT])
(;W[ad];B[ba]C[Black 1 is the vital point, and Black lives.RIGHT]))
(;B[ba];W[ab];B[db];W[eb];B[da];W[bb]C[White 2 is the vital point. Black is dead due to the shortage of liberties.])
(;B[db];W[bb]
(;B[ba];W[ab]
(;B[aa];W[ca];B[da]
(;W[ac]
(;B[ba];W[ad])
(;B[ad];W[ae]))
(;W[ad];B[ba];W[ac]))
(;B[ac];W[ad])
(;B[ad];W[ae];B[eb];W[ac]))
(;B[ab];W[ba]
(;B[aa];W[ac])
(;B[ca];W[ad];B[aa];W[eb]))))